lluviamonkeys12 lluviamonkeys12

03-02-2015
Mathematics

Answered

train A arrives at central station on the hour and every 12 minutes .
train B arrives on the hour and every 15 minutes .
when do both trains arrive at the same time ?

Answer :

vstrunk2002 vstrunk2002

03-02-2015

both trains arrive after train a has made its forth trip so every 5 trips

Answer Link

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